发明名称 |
Miniature GT-cut quartz resonator |
摘要 |
The GT-cut quartz resonator resonated by two longitudinal modes and provided with the masses for frequency-temperature characteristics adjustment and frequency adjustment. The frequency-temperature characteristics and the frequency of the GT-cut quartz resonator are adjusted by eliminating the masses. Consequently, the quartz resonator adjusted to the normal frequency and having the excellent frequency-temperature characteristics is attained. Further the GT-cut quartz resonator of small and thin size is attained by making the resonant portion and the supporting portions in one piece by photolithographic technique.
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申请公布号 |
US4447753(A) |
申请公布日期 |
1984.05.08 |
申请号 |
US19810323487 |
申请日期 |
1981.11.20 |
申请人 |
SEIKO INSTRUMENTS & ELECTRONICS LTD. |
发明人 |
OCHIAI, OSAMU |
分类号 |
G04F5/06;H03H3/04;H03H9/02;H03H9/05;H03H9/19;(IPC1-7):H01L41/04 |
主分类号 |
G04F5/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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